Electric toothbrush replacement head



FIG. 1 is a front perspective view of an electric toothbrush replacement head, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the drawings illustrate portions of the electric toothbrush replacement head, that form no part of the claimed design. 

CLAIM The ornamental design for an electric toothbrush replacement head, as shown and described. 